Over his 45 year tenure at Penn State, Joe Paterno has amassed over 400 wins and won more bowl games than any coach in history, including 2 national championships. But in the blink of an eye, his entire legacy has been forever tarnished. This isn’t the first time a sports figure as revered as Joe Pa has turned from hero to pariah. Check out our list of five others from the past 20 years to fall from grace seemingly overnight after the jump.